ADP3166 - 4-Phase Synchronous Buck Controller

Product Overview

Analog Devices

Datasheet Details

Part number	ADP3166
Manufacturer	Analog Devices
File Size	527.81 KB
Description	4-Phase Synchronous Buck Controller
Datasheet	ADP3166 Datasheet
Additional preview pages of the ADP3166 datasheet.

Product details

Description

FUNCTIONAL BLOCK DIAGRAM VCC 28 RAMPADJ RT 14 13 ADP3166 EN 11 UVLO SHUTDOWN AND BIAS OSCILLATOR + GND 19 CROWBAR 6 CSREF 2.1V DAC + 300mV CSREF + DAC 300mV 23 SW1 PWRGD 10 DELAY 22 SW2 21 SW3 ILIMIT 15 EN CURRENT LIMIT CIRCUIT + 20 SW4 17 CSSUM 16 CSREF 18 CSCOMP SOFT START COMP 9 + + 8 FB + + CURRENT BALANCING CIRCUIT + CMP CMP SET RESET EN 27 PWM1 + CMP RESET 2-, 3- , 4-PHASE DRIVER LOGI

Features

S Selectable 2-, 3- or 4-Phase Operation at up to 1 MHz per Phase Differential Sensing Error ± 1% over Temperature Logic-Level PWM Outputs for Interface to External High Power Drivers Active Current Balancing between All Output Phases Built-in Power Good Blanking Supports On-the-Fly VID Code Changes 5-Bit Digitally Programmable 0.8 V to 1.55 V Output Short-Circuit Protection with Programmable Latch-Off Delay Overvoltage Protection Crowbar Logic Output.

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Published: Oct 26, 2006 |